Game Information
Provider
GONG Gaming
Type
Slots
Restrictions
AF,AR,AU,BG,BI,BN,BR,BY,CA,CC,CF,CH,CN,CO,CU,CX,DE,DK,ES,FR,GB,GF,GL,GP,GR,HK,HM,HR,ID,IL,IN,IQ,IR,IT,JP,KH,KP,KR,LA,LB,LT,LY,MM,MO,MQ,MU,MY,NC,NF,NI,NL,PE,PF,PH,PM,PR,PT,RE,RO,RU,SD,SE,SG,SI,SO,SS,SY,TF,TH,TR,TW,US,VE,VI,VN,WF,YE,YT,ZA
Royal League Neptune’s Harem Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | GONG Gaming Technologies |
| Release Date | 26 July 2021 |
| Theme | Underwater, Roman mythology, Mermaids |
| Layout | 5×3 |
| Paylines | 20 |
| Bet Range | 0.20 to 25 |
| Core Mechanics | Free Spins with selectable multipliers, Randomly triggered Royal League Jackpot, Wild substitutions, Scatter pays |
| Developer | GONG Gaming Technologies |
| Platform | HTML5, mobile‑friendly |
Mathematical & Payout Model
Return to Player (RTP)
96.90 %
Volatility
Medium
Max Win Potential
10000x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | Pearl, Sea snail, Shell, Star | Provides small, frequent wins to maintain gameplay. |
| High Tier | Mermaid (various) | Highest paying symbols. Top hits available with full combinations. |
| Wild | Trident | Acts as a substitute / feature trigger per game rules. |
| Scatter | Neptune | Triggers free spins / bonus round when enough appear. |
Royal League Neptune’s Harem Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Free Spins with Multiplier | Bonus symbols on reels 1 and 5 | 5 to 12 free spins | Select card to reveal number of free spins and multiplier (2× to 10×) | Retrigger free spins by landing more bonus symbols |
| Royal League Jackpot | Randomly during base game | 7×7 gem grid with dice determining gem color | Blue gem 10×, green 100×, red 1000×, gold 10000× stake |
Frequently Asked Questions (FAQ)
| How do I trigger free spins? | Land bonus symbols on the first and fifth reels to enter the free spins selection. |
| What multipliers apply during free spins? | You select a card that reveals a multiplier of 2×, 3×, 5×, or 10× for free spins. |
| Can free spins be retriggered? | Yes. Landing additional bonus symbols during free spins adds extra free spins. |
| How does the Royal League Jackpot work? | It triggers randomly and uses a 7×7 gem grid with dice to award one of four fixed jackpots. |
| What is the maximum win? | The top prize is 10 000× the stake via the Royal League Jackpot. |
| What is the RTP? | The return to player is 96.90 %. |
| What is the volatility level? | The game has medium volatility. |
| What symbols act as wild and scatter? | The trident is wild and Neptune is the scatter symbol. |
Royal League Neptune’s Harem Performance Summary: Strengths vs. Weaknesses
Strengths
- High RTP
- Engaging bonus features
- Large maximum win potential
Weaknesses
- Limited bet range
- Medium volatility may not suit high‑risk players
Overview
Royal League Neptune’s Harem is a medium volatility video slot with 5 reels and 20 paylines. It features an underwater mythology theme with mermaids, free spins with multipliers, and a randomly triggered Royal League Jackpot offering up to 10 000× the stake. The RTP is 96.90 %.
Rachel Pine is our slots expert who has worked in the online gambling industry for 10+ years. Over the course of her career, Rachel has reviewed more than 30,000 slots.
Latest posts by Rachel Pine (see all)
- Free Slots vs Real Money Slots - October 3, 2025
- Top 6 Low Volatility Slots in the UK - September 30, 2025
- Best Online Casino Strategies That Actually Work - September 21, 2025